/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * $Id: BinInputStream.hpp 568078 2007-08-21 11:43:25Z amassari $
 */

#if !defined(BININPUTSTREAM_HPP)
#define BININPUTSTREAM_HPP

#include <xercesc/util/XMemory.hpp>

XERCES_CPP_NAMESPACE_BEGIN

class XMLUTIL_EXPORT BinInputStream : public XMemory
{
public :
    // -----------------------------------------------------------------------
    //  Virtual destructor for derived classes
    // -----------------------------------------------------------------------
    virtual ~BinInputStream();


    // -----------------------------------------------------------------------
    //  The virtual input stream interface
    // -----------------------------------------------------------------------
    virtual unsigned int curPos() const = 0;

    virtual unsigned int readBytes
    (
                XMLByte* const      toFill
        , const unsigned int        maxToRead
    ) = 0;


protected :
    // -----------------------------------------------------------------------
    //  Hidden Constructors
    // -----------------------------------------------------------------------
    BinInputStream();


private :
    // -----------------------------------------------------------------------
    //  Unimplemented Constructors
    // -----------------------------------------------------------------------
    BinInputStream(const BinInputStream&);
    BinInputStream& operator=(const BinInputStream&);
};

XERCES_CPP_NAMESPACE_END

#endif